Lancaster 7-day weather forecast

Written by:
July 21, 2025
ESOlex // Shutterstock

Lancaster 7-day weather forecast

Stacker created the forecast for Lancaster, Pennsylvania using data from OpenWeather. This week's high is 90 °F on Friday, while the low is 56 °F on Tuesday. There are expected to be 4 sunny days and rain on 3 days this week.

There are currently no weather alerts.

Monday, July 21

- High of 83 °F, low of 63 °F (57% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:53 AM, sunset at 8:29 PM
1 / 6
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Tuesday, July 22

- High of 76 °F, low of 56 °F (57% humidity)
- Mostly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:54 AM, sunset at 8:28 PM
2 / 6
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Wednesday, July 23

- High of 80 °F, low of 58 °F (58% humidity)
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:55 AM, sunset at 8:27 PM
3 / 6
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Thursday, July 24

- High of 86 °F, low of 64 °F (63% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:56 AM, sunset at 8:26 PM
- New moon
4 / 6
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Friday, July 25

- High of 90 °F, low of 69 °F (59% humidity)
- Mostly sunny with a 100% chance of rain (2 mm of rain)
- Gentle breeze (10 mph wind)
- Sunrise at 5:57 AM, sunset at 8:25 PM
5 / 6
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Saturday, July 26

- High of 87 °F, low of 74 °F (67% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Light breeze (5 mph wind)
- Sunrise at 5:58 AM, sunset at 8:25 PM
6 / 6
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Sunday, July 27

- High of 84 °F, low of 71 °F (73% humidity)
- Overcast with a 100% chance of rain (7 mm of rain)
- Light breeze (7 mph wind)
- Sunrise at 5:59 AM, sunset at 8:24 PM

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